Fushigiboshi no Futagohime a.k.a Twin Princesses of the Wonder Planet

is a magical girl series by Mayuki Anan. This story is about the adventures of the twin princesses of Wonder Planet (a mysterious planet shaped like a hollow earth). It is based on a concept by "Birthday"" and produced by Nihon Ad Systems and TV Tokyo. In the sequel, Fushigiboshi no Futagohime Gyu!, premiered in 2006 until 2007.